556298543 has 4 divisors (see below), whose sum is σ = 559629840. Its totient is φ = 552967248.

The previous prime is 556298513. The next prime is 556298569. The reversal of 556298543 is 345892655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345892655 = 5 ⋅69178531.

It is a cyclic number.

It is not a de Polignac number, because 556298543 - 2¹² = 556294447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556298513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1665398 + ... + 1665731.

It is an arithmetic number, because the mean of its divisors is an integer number (139907460).

Almost surely, 2^556298543 is an apocalyptic number.

556298543 is a deficient number, since it is larger than the sum of its proper divisors (3331297).

556298543 is a wasteful number, since it uses less digits than its factorization.

556298543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331296.

The product of its digits is 1296000, while the sum is 47.

The square root of 556298543 is about 23585.9819172321. The cubic root of 556298543 is about 822.4370011152.

The spelling of 556298543 in words is "five hundred fifty-six million, two hundred ninety-eight thousand, five hundred forty-three".